Engine Shake When Cold
Anyone know what the cause of engine shake when cold or on initial startup? My motor seems to be dialed in where it starts just about every time on the first bump of the key and I have no run on issues at shut down. However, upon first startup, the motor seems to shake a bit until it is warmed up around standard operating temp, then very smooth running with no shaking issues at idle or otherwise.
I thought about the motor mounts, but if that were the case, I would think I'd see shaking at cold or warm idle, which is not the case.
Is this a 'normal' occurance due to fluids and metals heating up at different rates during the warm up period?
67 Black RS Coupe, 383, M21 & 10 Bolt Posi. Edelbrock E-Tech 170 Heads, 2204 Roller Cam, Air Gap Intake.
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